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Subject[PATCH net-next 3/4] net: phy: xpcs: Return error when 10GKR link errors are found
Date
For 10GKR rate, when link errors are found we need to return fault
status so that XPCS is correctly resumed.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>

---
Cc: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
drivers/net/phy/mdio-xpcs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/mdio-xpcs.c b/drivers/net/phy/mdio-xpcs.c
index 23516397b982..83ced7180a44 100644
--- a/drivers/net/phy/mdio-xpcs.c
+++ b/drivers/net/phy/mdio-xpcs.c
@@ -219,8 +219,10 @@ static int xpcs_read_fault(struct mdio_xpcs_args *xpcs,
if (ret < 0)
return ret;

- if (ret & MDIO_PCS_10GBRT_STAT2_ERR)
+ if (ret & MDIO_PCS_10GBRT_STAT2_ERR) {
xpcs_warn(xpcs, state, "Link has errors!\n");
+ return -EFAULT;
+ }

return 0;
}
--
2.7.4
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